/* 先删除默认的内外边距 */
* {
    margin: 0;
    padding: 0;
}

html,
body{
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
}

html {
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    font-size: 62.5%;
    /* 设置过根节点的文字大小后，所有子节点的文字大小全部相对于根节点计算，html为10px */
}

body,
input,
button,
a,
textarea,
select {
    margin: 0;
    font-family: "Helvetica Neue", Helvetica, "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    font-size: 1.4rem;
    line-height: 1.5;
    color: #333;
}

html,
body {
    width: 100%;
    height: 100%;
    margin: 0;
}

a {
    text-decoration: none;
}

a:hover,
a:focus {
    text-decoration: none;
}

a:hover {
    filter: alpha(opacity=90);
    opacity: .9;
}

/* 文本对齐 */
.tc {
    text-align: center;
}

.tr {
    text-align: right;
}

.tl {
    text-align: left;
}

/* 主体 */
.content {
    color: #fff;
    background: #000;
    width: 100%;
    height: 100vh;
}

.bg {
    /* background: url('../img/pageBg.png') no-repeat center center; */
    background-color: #000;
    /* background-size: cover; */
}

.module-box {
    display: flex;
    justify-content: space-between;
    /*两端对齐*/
    margin: 5px;
}
